Integrate \(\int_{-1} ^{2} (2x^2 + x) \mathrm {d} x\)
a
\(4\frac{1}{2}\)
b
\(3\frac{1}{2}\)
c
\(7\frac{1}{2}\)
d
\(5\frac{1}{4}\)
Explanation
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Integrate \(\int_{-1} ^{2} (2x^2 + x) \mathrm {d} x\)
\(4\frac{1}{2}\)
\(3\frac{1}{2}\)
\(7\frac{1}{2}\)
\(5\frac{1}{4}\)
